hint: Consider installing the `glibc-locales' package and defining `GUIX_LOCPATH', along these lines: guix install glibc-locales export GUIX_LOCPATH="$HOME/.guix-profile/lib/locale" See the "Application Setup" section in the manual, for more info. Starting download of /gnu/store/f8k7x356kk0l000arg886vk9ak1nbclq-kcoreaddons-6.5.0.tar.xz From https://download.kde.org/stable/frameworks/6.5/kcoreaddons-6.5.0.tar.xz... following redirection to `https://mirrors.ukfast.co.uk/sites/kde.org/ftp/stable/frameworks/6.5/kcoreaddons-6.5.0.tar.xz'...  …6.5.0.tar.xz 2.4MiB 0B/s 00:00 ▕ ▏ 0.0%  …6.5.0.tar.xz 2.4MiB 6.0MiB/s 00:00 ▕▍ ▏ 2.6%  …6.5.0.tar.xz 2.4MiB 12.5MiB/s 00:00 ▕██████████████████▏ 100.0%